A little bit of controversy has flared up over SleepNinja's Monsters Ate My Birthday Cake. An artist has claimed that a good chunk of the design of the game has been lifted from his own creation.

The artist in question worked on a game called MonsterUp Adventures, and has suggested that the world map in Monsters Ate My Birthday Cake is a direct lift from his own designs.

We've stuck the infographic where the artist lays his claims out below. There are some similarities, but we'll leave it up to you to decide whether or not this is plagiarism or something a little more mundane.

You can click on the image to see a larger version.

You can find more details about the claim by clicking this link here. We've reached out to SleepNinja about the allegations and we'll update the story as and when we hear something from the dev.